title: Genomic evidence for recent positive selection at the human MDR1 gene locus.
mesh_terms: D020168:ATP Binding Cassette Transporter, Subfamily B, Member 1 / Q000235:genetics*; D018432:Drug Resistance, Multiple / Q000235:genetics*; D005787:Gene Frequency; D006239:Haplotypes; D006801:Humans; D015810:Linkage Disequilibrium; D020641:Polymorphism, Single Nucleotide; D012641:Selection, Genetic; D017422:Sequence Analysis, DNA
chemical_list: D020168:ATP Binding Cassette Transporter, Subfamily B, Member 1